#include<bits/stdc++.h>
#define int long long
#define pii pair<int,int>
#define il inline
using namespace std;
namespace starlit{
	signed main(){
		cout<<0;
		return 0;
	}
}
signed main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	
	freopen("replace.in","r",stdin);
	freopen("replace.out","w",stdout);
	
	starlit::main();
} 
